air scoop的用法和样例：
例句
- Watts air scoops have heavy cast iron construction.They have tappings for the installation of an expansion tank and air vent.
美国瓦茨导气罩具有重型铸铁结构，并都配置用于安装一个膨胀罐和排气阀的连接端口。 - At the same time air is sucked into the inlet to replace the exhausted air.
同时，外面空气由进气口吸入代替被排出的空气。 - Are air conditioning intakes which may permit the entry of cargo vapours closed?
有可能吸入货物蒸汽的空调系统进气口是否已关闭？
